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WO/2008/131988A1 |
The invention relates to a centering bushing (11) for centering a material bar (8) which is supplied to a chuck (5) of a lathe (1). An outer construction (12) and an inner construction (13) arranged therein are rotatably arranged about t...
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WO/2008/132715A1 |
A tool holder for holding a shank of a cutting member. The tool holder has a socket for receiving the shank and a set screw rotatable in a set screw hole to advance along a first direction; and at least one clamping member that applies a...
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WO/2008/131753A1 |
The invention relates to a positioning device, in particular a clamping chuck for a machine tool, comprising a base body (12), a driven body (14) arranged in front of the base body (12) with respect to the longitudinal axis (L) for conne...
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WO/2008/126579A1 |
An actuator has a power source (10), a cam member (15) driven by power from the power source (10), a following member (19) operatively associated with movement of the cam member (15), a receiving section (20a) for receiving an operation ...
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WO/2008/122158A1 |
A new self-locking hand tightened drill chuck is disclosed. It has chuck body(1),jaw(4), rotary sleeve(2) axially fixed, nut(3), rear sleeve(7) formed behind the rotary sleeve(2). The jaw(4) is screwed with nut(3), a groove is located wi...
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WO/2008/122159A1 |
A self-locking hammer-drill chuck includes a chuck body (1), a plurality of jaws (4), a rotating sleeve (2) orientated axial, and a plurality of nuts (3), and a back sleeve (7) at the back of the rotating sleeve (2). The above chuck has ...
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WO/2008/123415A1 |
A screw thread is highly precisely formed on an end of an elongated tube material (1), which is held by a chuck device (3), without leaving mill scale on a full thread portion. The length L of projection of the tube material (1) from the...
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WO/2008/121468A1 |
A deep throat chuck jaw system adapted to be used with a lathe with or without a headstock hole is provided. The system includes a set of jaw extension members having an inboard end supported from a face of a master chuck jaw coupled to ...
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WO/2008/121057A1 |
A tool with a replaceable tip includes a tool body (125) including a tip holding portion, a tool tip having a shank portion adapted to be disposed proximate the tip holding portion (127) comprising a wall (129) defining an axial opening ...
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WO/2008/120692A1 |
A spindle unit of machine tool is provided with a pressure sensor (31) for detecting the pressing force of a rod (18) by a driver (25), a sensor (32) for detecting displacement of the rod (18), a section (33) for detecting the clamping f...
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WO/2008/117741A1 |
In applying a conventional tool-free clamp to an existing circular sawing machine, tilt angle and cutting depth during the oblique cutting work have been sacrificed due to increased size in the radial or thickness direction and some othe...
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WO/2008/111226A1 |
A shrink fit tool holder that without decreasing of the strength of the tool holder, can realize a large fastening allowance by shrink fitting. Accordingly, there is provided shrink fit tool holder (10) having taper shank part (20) attac...
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WO/2008/111053A2 |
A quick release mechanism is provided. The quick release mechanism includes a shaft having a first end cap and a second end cap. The second end cap is attached to, or associated with, a lever designed and configured for actuating the qui...
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WO/2008/111227A1 |
A shrink-fit tool holder that is provided with a large amount of interference for shrink fir and from which a tool can be easily removed. The shrink-fit tool holder (10) has a chuck (40) where the shank (2) of the tool (1) is fixed by sh...
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WO/2008/110370A1 |
The present invention relates to a tool holder (1) that either has a modular design, and the modules of which are centered via interfaces, or/and in which a centered interface (9) is provided between the tool (5) and the tool receiver (4...
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WO/2008/111228A1 |
A shrink-fit tool holder that has a large amount of interference for shrink fit to enable a tool to be firmly fitted to the holder and has good turnout accuracy. The shrink-fit tool holder (10) has a chuck (40) having formed at its forwa...
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WO/2008/111225A1 |
A shrink fit tool holder that without decreasing of the strength of the tool holder, can realize a large fastening allowance by shrink fitting. Accordingly, there is provided shrink fit tool holder (10) having tool retention part (40) fu...
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WO/2008/107672A1 |
A group of fixtures for thin-walled shell/cylindrical components (10) while they are being machined internally and externally, has a mounting base (1 ) having mounting holes, positioning pins and clamps to locate one end of the thin-wall...
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WO/2008/106261A2 |
A workholding chuck can use actuating members that pivot within a non-split unitary front bearing. The non-split unitary front bearing can include pockets in its central bore that can allow a spherical section of an actuator arm to be in...
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WO/2008/101874A1 |
A coupling between the shank (1) of a tool and a corresponding seat (2) in a tool holder assembly, obtained with a shank constituted by two cylindrical segments (3, 4) whose diameter increases starting from the outermost one (3), the seg...
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WO/2008/097174A1 |
This invention relates to an adjustable candle holder, comprising a lower part (101; 201), an upper part (102; 202) and a self-centering mechanism (103, 103'; 203, 203') arranged to allow candles of various diameters to be securely gripp...
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WO2008049621B1 |
The invention relates to a high-precision clamping device (1a) for tools in machine tools of the conventional type and to a collet chuck (7a), a base (2a) and a tensioning nut (10a). The invention also relates to a chuck key for tighteni...
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WO/2008/097171A1 |
A shrink-fit tool (21) includes a tool and a toolholder, one of the tool (23) and the toolholder (25) having a male shank portion (27) and the other one of the tool (23) and the toolholder (25) having a body portion (29) including female...
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WO/2008/097085A1 |
The invention relates to a coupling (l) for connecting two elements, for instance a drill (2) and a drive shaft (3), in a manner retrained from rotation in one direction of rotation. The coupling (1) comprises a conical coupling part (5)...
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WO/2008/092532A1 |
A tool holder (2) for a mechanical tool (1), in particular a percussion drill, comprises a tool gripper (3) into which an insert tool (4) can be inserted, and said insert tool (4) can be locked into the tool gripper by means of a locking...
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WO/2008/092300A1 |
A locking drill chuck comprises a drill body (1), a nut (12), jaws (2), a bearing (34), a front sleeve (10), a rear sleeve (4) and a locking device. Said locking device includes a locking body (6), sliding elements (7) with several teeth...
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WO/2008/087668A1 |
A chuck (14) is described for centring a blank wheel rim comprising a support base (15) for the wheel rim to be rotated about a first reference axis (R) and at least two orientation elements (16) associated with said base (15) that are i...
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WO/2008/084636A1 |
A fixing device for fixing a rotary blade to a spindle in a bench circular sawing machine, for example, is conventionally constituted to find it hard to make the radial direction compact. This constitution raises a problem to sacrifice t...
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WO/2008/080271A1 |
A self- locking type manually tightened drill chuck includes drill body, clamping jaws, nut, up out sleeve, down out sleeve, three inclined holes are provided on said body, said jaws are in said holes and can slide freely, said nut and j...
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WO/2008/080466A1 |
The invention relates to a chucking device (4) for a drill, wherein a chucking recess (14), surrounded by a side wall (17) and having a recess opening (21), is provided in the chucking device (4) for chucking an armature (9). In order to...
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WO/2008/077362A1 |
The invention relates to a drill chuck having a chuck body (1) which can be connected to a drill spindle and in which clamping jaws (3) are arranged which engage in the thread of a rotatably embodied ring nut (6). The invention also rela...
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WO/2008/074204A1 |
A self-locking manual tightening drill chuck includes a chuck body, three pawls, an axially located rotating sleeve and a nut. The pawls mesh with the nut via threads. A front annular body is provided in front of the nut, which surrounds...
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WO/2008/067683A1 |
In order to balance a tool coupling, the compensation measures (material removal, use of different materials) are taken in two planes that are axially spaced from each other. Tool couplings are provided with recesses (8) for compensating...
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WO2008049622B1 |
The invention relates to a device (1) for tightening and releasing clamping tools (16), such as draw-in collet chucks, mandrels and the like which allows a torque to be concentrically transferred onto a clamping device, such as a locknut...
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WO/2008/064392A1 |
A power tool and a chuck release tool for a power tool, the power tool including a chuck having a chuck body and a locking means for locking an operational tool within the chuck, the power tool being operable in an adjustment mode to mov...
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WO/2008/064523A1 |
A drill chuck which has an anti-loosening function includes a chuck body, a nut, three jaws, a bearing, a front sleeve and a rear sleeve. Said rear sleeve fixedly connects with said chuck body. The three jaws are respectively provided in...
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WO/2008/060434A2 |
A holder for a bit is disclosed. The holder may include a base assembly, a second locking element, a follower assembly, and a bias assembly. In some embodiments the bias assembly may be configured to urge the bit away from a hole of the ...
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WO/2008/056399A1 |
A shank installation device (A) capable of being used for a rechargeable electric impact drill in which axial force and rotational torque are applied in an impacting manner to an installation shaft. The shank installation device (A) has ...
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WO/2008/056455A1 |
A shank attaching device that can transmit relatively large torque and that is considerably reduced in size. The shank attaching device is used to attach a core drill (50) to a rotating part of a drill device. The shank attaching device ...
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WO/2008/053638A1 |
Provided are a component for a collet chuck having increased tool holding force, a collet, a tightening nut, and a collet chuck.The collet chuck (10) has a chuck body (20) having a tapered hole (22) tapered toward the end of the hole, a ...
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WO/2008/053529A1 |
Provided are a component for a collet chuck having increased tool holding force, a collet, a tightening nut, and a collet chuck.The collet chuck (10) has a chuck body (20) having a tapered hole (22) tapered toward the end of the hole, a ...
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WO/2008/054295A1 |
A hydromechanical clamping device comprises a fastening part (P1) adapted to be mounted in a machining device, and a holder part (P2) adapted to releasably hold a tool shaft (V), the holder part (P2) comprising an inner sleeve (2) with a...
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WO/2008/054294A1 |
A friction coupling (3") for locking a shaft (1) relative to a hub (2) comprises an inner sleeve (4), which is arranged for frictional engagement with the shaft (1), an outer sleeve (5), which is arranged for frictional engagement with t...
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WO/2008/052513A1 |
The invention relates to an electrical stressing means having a housing (2) which can be attached to the drive spindle of a machine tool and in which a threaded rod (3) for adjustment of the clamping jaws of a chuck is mounted such that ...
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WO/2008/052507A1 |
The invention relates to a re-tightening drill chuck with a chuck body (1), a clamping cone (2) which can rotate coaxially with respect to the chuck body (1) and is axially supported on a jaw holder (3), which is mounted on the chuck bod...
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WO/2008/050508A1 |
A spindle device comprises a spindle (1) having a hollow hole and a chuck part (10) for grasping a work (W). A pipe part (71) is inserted into the hollow hole of the spindle (1), and the work (W) is inserted into the hole of the pipe to ...
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WO/2008/046375A1 |
A fluid-operated clamping chuck, in particular a front-end chuck, for fastening to the working spindle of a machine tool, has a chuck body (2), which can be set in rotation with the working spindle, and a clamping cylinder (3), which is ...
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WO/2008/046248A1 |
A manual locking chuck with friction self-locking mechanism for drill includes a rear shell, a cover, a body, three chuck jaws, a bearing ring, an open retainer, balls, an adjusting ring with cone surface and a front shell. Said adjustin...
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WO/2008/046295A1 |
An integrative chuck device of machine tool includes a frame (6), a spindle (7), bearing (11) and a chuck (4) supported on the spindle. The chuck device also includes a primary stator frame (9) of a planar ring rotation motor, which is f...
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WO/2008/043267A1 |
A clamping chuck (4) is directly integrated with a driving shaft (7) and an electric motor mechanism. The clamping chuck is supported in a rotatable manner on the driving shaft through a rotating bearing (11). A machine frame (9) of the ...
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